@unpublished{repository33835,
       publisher = {Universitas Muhammadiyah Prof. DR. Hamka},
            year = {2024},
            note = {Unpublished},
           month = {March},
           title = {Sertifikat ISC},
          author = {Seruni, Ayu Putri},
             url = {http://repository.uhamka.ac.id/id/eprint/33835/}
}